http://www.huffingtonpost.com/entry/glow-in-the-dark-cement_us_573b2761e4b060aa781b42f6
A scientist in Mexico announced earlier this month that he had developed solar-powered, glow-in-the-dark cement that could be used to illuminate roads, bike lanes and walking paths, according to the news site Investigación y Desarrollo. The cement absorbs energy from the sun during the day and converts that energy into light at night. After a full day under the sun, the material can shine for up to 12 hours…
Hey, Donald Drumpf, do you know this Mexican?
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